Scrib

Scribd is the world's largest digital library where people can publish, discover, and read books and documents of all kinds on the web or any mobile device. Millions of books and documents have been contributed to Scribd by the community and this content reaches an audience of 100 million people around the world every month.
Scribd     Launched in March of 2007 Based in San Francisco, California Founded by Trip Adler and Jared Friedman Key users include Random House, the New York Times, the World Bank and President Obama

The world's largest digital library
Bigger than the Library of Congress Scribd has millions of books and documents contributed by users and nearly doubles in size every year.

Great discovery of content With Scribd you can find something to read by browsing the home page, checking your social feed or using Scribd search.

Reading whenever and wherever you like Read in your web browser, smart phone or tablet using Scribd's website or mobile apps — the world's largest library is at your fingertips!

An innovative publishing solution
Simple publishing Scribd's conversion technology allows anyone to convert any book or document from virtually any format into a beautiful webpage or mobile reading experience.

Massive distribution

Increase your readership by reaching Scribd's 100 million monthly readers. Scribd will maximize distribution of your content through search engines and the social web.

Powerful Monetization You can make your content free on Scribd or generate a new source of revenue by selling your books and documents on Scribd.

Reference http://www.scribd.com/about